Will you be surprised to that a food printer machine can print any image onto the cake ? Video above for your reference.
It is not new technology. It was born many years ago. Its ink are edible, so printed cakes are edible as well.
And the food printer is multi-function. Using edible ink, it can print on food, such like cake,chocolate,macarons,marshmallow,lollipop,cookies,bread,biscuit and more.

The basic structure of food printer is similar to DTG textile printer.  It has higher batch printing speed, continuously produce, and support 3D surface food printing and curved surface printing, and more its operation maintenance is simple. Food printer is mainly suitable for macaron, Pie, cake, cookies,chocolate candy, glutinous rice paper, bread, marshmallow,lollipop,biscuit and other food printing.